Remove useless flag "EVENT" in case of ALTER EVENT parsing.

Author: niconoe-

src/Components/AlterOperation.php

@@ -342,7 +342,7 @@ public static function parse(Parser $parser, TokensList $list, array $options =
 
                 // Not only when aliasing but also when parsing the body of an event, we just list the tokens of the
                 // body in the unknown tokens list, as they define their own statements.
-                if ($ret->options->has('AS') || (isset($options['EVENT']) && $ret->options->has('DO'))) {
+                if ($ret->options->has('AS') || $ret->options->has('DO')) {
                     for (; $list->idx < $list->count; ++$list->idx) {
                         if ($list->tokens[$list->idx]->type === Token::TYPE_DELIMITER) {
                             break;

src/Statements/AlterStatement.php

@@ -12,7 +12,6 @@
 use PhpMyAdmin\SqlParser\Token;
 use PhpMyAdmin\SqlParser\TokensList;
 
-use function array_merge;
 use function implode;
 
 /**
@@ -117,7 +116,7 @@ public function parse(Parser $parser, TokensList $list)
                 } elseif ($this->options->has('USER')) {
                     $options = AlterOperation::$USER_OPTIONS;
                 } elseif ($this->options->has('EVENT')) {
-                    $options = array_merge(AlterOperation::$EVENT_OPTIONS, ['EVENT' => 0]);
+                    $options = AlterOperation::$EVENT_OPTIONS;
                 }
 
                 $this->altered[] = AlterOperation::parse($parser, $list, $options);